03
NOTE
Once the unit has stopped running, do not
disconnect the power immediately. Wait for at
least 10 minutes.
WARNING
Do not touch the air outlet or the horizontal blade
when operating in the fan swing mode. Your
ngers may be caught in the unit or the unit may
be damaged.
NOTE
Do not check or repair the unit on your own.
Please get relevant professionals to conduct
any check or repairs.
Do not use substances like gasoline, diluent,
and chemical dust cloth to wipe the operations
panel of the controller. This may remove the
surface layer of the controller. If the unit is dirty,
immerse a cloth in diluted and neutral detergent,
squeeze it dry, and then use it to clean the
panel. Finally, wipe it with a dry cloth.
WARNING
● When the fuse melts, do not use any unspec-
ied fuse or other wire to replace the original
fuse. The use of electrical wires or copper
wires may cause the unit to malfunction or
cause a re.
● Do not insert ngers, sticks, or other items
into the air inlet or outlet. Do not remove the
fan mesh cover. When the fan rotates at a
high speed, it may cause bodily injury.
● It is very dangerous to check the unit when
the fan is rotating. Make sure you turn off the
main switch before any maintenance work
begins.
● Do check the supporting and base structure
of the unit for any damages after a long
period of use. The unit may drop and cause
personal injury if there is any damage.
5.2.4 Operating system
1. Press the "switch" button on the controller.
Result: The running light turns on and the system starts
to run.
2. Repeatedly press the mode selector on the controller
to select the required operation mode.
Stop
Press the "switch" button on the controller again.
Result: The running light is now off, and the system
stopped running.
Adjust
Refer to the user manual for the controller on how to
set the required temperature, fan speed and air ow
direction.
5.3 Using the Dry Program
5.3.1 About the system operations
The function in this program uses the minimum
temperature drop (minimum indoor cooling) to bring
about a drop in humidity in the room.
In the drying process, the system automatically
determines the temperature and fan rotation speed
(cannot use the user interface to implement the
settings).
5.3.2 Using the dry program
Start
1. Press the switch button on the controller.
Result: The running light turns on and the system starts
to run.
2. Repeatedly press the mode selector on the
controller.
3. Press the button to adjust the air ow direction (this
function is not available for all indoor units).
Stop
4. Press the switch button on the user interface again.
Result: The running light is now off, and the system
stopped running.
6 MAINTENANCE AND REPAIR
6.1 Maintenance after Unit has
been Shut Down for a Long
Period
For example, in early summer or winter.
● Check and remove all objects that may clog the air
inlets and outlets of the indoor and outdoor units.
● Clean the air lter and external shell of the unit.
Please contact the installation or maintenance
personnel. The installation/operation manual of the
indoor unit includes maintenance tips and cleaning
procedures. Make sure that the clean air lter is
installed in its original position.
● Turn on the main power supply 12 hours before this
unit is operated in order to ensure that the unit runs
smoothly. The user interface is displayed once the
power is turned on.
6.2 Maintenance Before Unit is
Shut Down for a Long Period
For example, at the end of winter and summer.
● Run the indoor unit in the fan mode for about half a
day to dry the internal parts of the unit.
● Turn off the power supply.
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